strchr2esc
s = strchr2esc(buf, strlen(buf));
convert = &strchr2esc;
s = strchr2esc(&cval, 1);
extern char *strchr2esc(const char *, size_t);
str = strchr2esc(ta->ta_valp->at_str,
s = strchr2esc(dnp->dn_string, strlen(dnp->dn_string));
char *escd = strchr2esc(dnp->dn_string, strlen(dnp->dn_string));
char *escd = strchr2esc(dnp->dn_string, strlen(dnp->dn_string));
if ((s = strchr2esc(addr, size)) == NULL)
extern char *strchr2esc(const char *, size_t);